Jerry has not worked out in several years. he has experienced some health issues and is realizing the importance of incorporating physical activity into his lifestyle again. which of the following activities would be most appropriate for his fitness level?
a.
running several 400-meter sprints
b.
jogging for three miles
c.
walking for 30 minutes around the neighborhood
d.
participating in a high-intensity cycling class

3. which of the following is not an affect of physical inactivityo extra hair growtho cardiovascular diseaseo cancero type 2 diabetes

Which foods are categorized as foods you should "eat less of" on the food label?

Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.